Answer
The radical form of $x^{\frac{4}{3}}$ is $ \sqrt[3] {x^4}$.
Work Step by Step
By the formula given on page 13,
$x^{\frac{4}{3}} = \sqrt[3] {x^4}$.
The radical form of $x^{\frac{4}{3}}$ is $ \sqrt[3] {x^4}$.
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